19825018075 has 12 divisors (see below), whose sum is σ = 24592497160. Its totient is φ = 15853901760.

The previous prime is 19825018069. The next prime is 19825018079. The reversal of 19825018075 is 57081052891.

It is not a de Polignac number, because 19825018075 - 2³ = 19825018067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19825018079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86085 + ... + 216934.

Almost surely, 2^19825018075 is an apocalyptic number.

19825018075 is a deficient number, since it is larger than the sum of its proper divisors (4767479085).

19825018075 is a wasteful number, since it uses less digits than its factorization.

19825018075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305646 (or 305641 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 46.

The spelling of 19825018075 in words is "nineteen billion, eight hundred twenty-five million, eighteen thousand, seventy-five".